10Pcs/Lot Wired NO Wooden Door Contacts Magnetic Switch Access Control w/Screws real digital circuit

SKU: 38805810337

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10Pcs/Lot Wired NO Wooden Door Contacts Magnetic Switch Access Control w/Screws real digital circuitSpecification: Working Principle: Magnetic is composed of two parts: a part is permanent magnet and other part is a normally reed switch,when permanent magnet close reed switch(less 5mm),agnetic sensor is working station(short circuit). when magnet separate,it is normal open state. metals shield anti fire ABS connecting mode: NO(Close is shot circuit) rated current : 300(mA) rated voltage : (VDC) 220 operating distance: 15~20mm power: 3(W) Dimension:

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